What is GHSA-c9qw-72v3-rp2r?

GHSA-c9qw-72v3-rp2r is a security advisory published by GitHub Security Advisories with High severity. Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft...

Which CVE IDs does GHSA-c9qw-72v3-rp2r cover?

GHSA-c9qw-72v3-rp2r covers the following CVE IDs: CVE-2026-55021. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-c9qw-72v3-rp2r?

GHSA-c9qw-72v3-rp2r has a CVSS v3 base score of 7.3, published by GitHub Security Advisories.

GHSA-c9qw-72v3-rp2rHighCVSS 7.3

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft...

Vendor

GitHub Security Advisories

Published

July 14, 2026

Last Modified

July 14, 2026

🔗 CVE IDs covered (1)

CVE-2026-55021 →

📋 Description

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Office SharePoint allows an authorized attacker to perform spoofing over a network.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-55021
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-55021
https://github.com/advisories/GHSA-c9qw-72v3-rp2r